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13258 Bej (1998 QT12)
Classification: Main-belt Asteroid          SPK-ID: 2013258
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09283308287903583 5.0693e-08  
a 2.372625739029322 1.6676e-08 AU
q 2.152367577157079 1.2064e-07 AU
i 5.974015531006255 5.4508e-06 deg
node 290.1486671829773 6.5892e-05 deg
peri 329.6046563238939 7.6913e-05 deg
M 221.6141298422883 4.0524e-05 deg
tp 2457513.634873682796
(2016-May-05.13487368)
0.00015081 JED
period 1334.880174654249
3.65
1.4073e-05
3.853e-08
d
yr
n .2696871276054757 2.8433e-09 deg/d
Q 2.592883900901564 1.8224e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      12549 days (34.36 yr)  
   first obs. used      1980-09-13  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46592  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:37:10  

Additional Information
 Earth MOID = 1.14072 AU 
 T_jup = 3.530 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO309255  

13258 Bej           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Gautam Ashim Bej (b. 1989) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his biochemistry, medicine, health, and microbiology project. He attends the Altamont School, Birmingham, Alabama.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 QT12 = 1980 RF7 = 1990 HV 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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